Re: Segfault during build of accf_dns.ko.full

On 2026-11-07 16:30, Michael Butler wrote:

> On 11/7/26 13:35, David Wolfskill wrote:
>> This has now happened for 2 (different, but still amd64/GENERIC)
>> machines, so it appears to be reproducible.
>>
>> The first was a 32-core headless build machine; the second is a laptop.
>> In each case, the machine had been running main-n290715-feab010f4414
>> (product of yesterday's daily tracking) and the sources had been updated
>> to main-n290746-6d5c80aee3ae this morning; "make buildworld" had
>> succeeded, and "make buildkernel" was in progress.
>>
>> The build typescript from each machine shows:
>> ...
>>>>> stage 1: configuring the kernel
>> ...
>>>>> stage 2.3: build tools
>> ...
>>>>> stage 3.1: building everything
>> ...
>> *** [accf_data.ko.full] Error code 139
>> make[4]: *** accf_data.ko.full removed
>> ...
>> make[4]: stopped making "all" in /usr/src/sys/modules/accf_data
>> .ERROR_TARGET='accf_data.ko.full'
>> .ERROR_META_FILE='/common/S4/obj/usr/src/amd64.amd64/sys/GENERIC/modules/usr/src/sys/modules/accf_data/accf_data.ko.full.meta'
>> .MAKE.LEVEL='4'
>> MAKEFILE=''
>> .MAKE.MODE='meta missing-filemon=yes missing-meta=yes silent=yes verbose'
>> _ERROR_CMD='ld -m elf_x86_64_fbsd -warn-common --build-id=sha1 -T /usr/src/sys/conf/ldscript.kmod.amd64 -r  -o accf_data.ko.full accf_data.o ; ctfmerge -L VERSION -g -o accf_data.ko.full accf_data.o ; :> export_syms; awk -f /usr/src/sys/conf/kmod_syms.awk accf_data.ko.full  export_syms | xargs -J % objcopy % accf_data.ko.full;'
>> ....
>>
>> The ERROR_META_FILE has:
>>
>> # Meta data file /common/S4/obj/usr/src/amd64.amd64/sys/GENERIC/modules/usr/src/sys/modules/accf_data/accf_data.ko.full.meta
>> CMD ld -m elf_x86_64_fbsd -warn-common --build-id=sha1 -T /usr/src/sys/conf/ldscript.kmod.amd64 -r  -o accf_data.ko.full accf_data.o
>> CMD ctfmerge -L VERSION -g -o accf_data.ko.full accf_data.o
>> CMD :> export_syms
>> CMD awk -f /usr/src/sys/conf/kmod_syms.awk accf_data.ko.full  export_syms | xargs -J % objcopy % accf_data.ko.full
>> CWD /common/S4/obj/usr/src/amd64.amd64/sys/GENERIC/modules/usr/src/sys/modules/accf_data
>> TARGET accf_data.ko.full
>> OODATE accf_data.o
>> -- command output --
>> Segmentation fault
>>
>> *** Error code 139
>>
>> -- filemon acquired metadata --
>> ....
>>
>> I will attach a copy of the file 9from the headless build machine)
>> for reference.
>>
>> Oh: I see that the typescripts are now showing a warning that I had not
>> recalled seeing until recently -- e.g.:
>>
>> make[1]: /usr/src/Makefile.inc1:380: warning: Warning: buildkernel should not be run as root
>>
>> Peace,
>> david
> I also ran into this but haven't determined the commit that triggered it.
>
> As a workaround,  I added " WITHOUT_CTF=1" to /etc/make.conf to allow
> builds to complete,
>
>       Michael
This was fixed in 9dae9b31d2c7834de72a27c6d635ebeab53cebc6. Updated 
ctfmerge pkgbase should show up in hours.

A workaround is 'make buildkernel CTFMERGE=/usr/obj/<path to 
folder>/amd64.amd64/cddl/usr.bin/ctfmerge/ctfmerge' (buildworld might be 
needed, I'm not sure).

-- 
Minsoo Choo